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ESP Migration & Platform Integration Architect

1 day, 1 hour ago
Argentina
Contract
Senior
Platform Engineer
DevOps and Infrastructure
AWS BigCommerce Cloudflare DNS HubSpot JavaScript JSON Magento Mailchimp REST API Shopify WooCommerce
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Power Digital Marketing

Power Digital Marketing

Power Digital Marketing is a full-service digital marketing agency that specializes in creating innovative, data-driven marketing strategies to enhance brand presence and drive measurable growth across various service sectors.

Media
251-1K
Founded 2012
View All Jobs 105

Description

  • Own the full lifecycle of email platform migrations from discovery through go-live, post-migration QA, and client handoff.
  • Lead client kick-offs, manage migration timelines, coordinate stakeholders, and track milestones across multiple concurrent projects.
  • Audit legacy ESPs to document flows, campaigns, segments, suppression lists, custom fields, data schemas, and deliverability history.
  • Plan and execute source platform offboarding, including exports, flow deactivation sequencing, and legacy contract timing.
  • Set up Klaviyo account governance, including account structure, user permissions, API keys, billing tier guidance, and unique identifier strategy.
  • Configure email infrastructure such as DNS, domain authentication, DKIM/SPF/DMARC, sending domains, tracking links, and IP setup.
  • Design identity resolution and profile merge rules, and validate unified profiles and historical data backfills.
  • Manage integrations and API connections across eCommerce, CRM, loyalty, helpdesk, subscriptions, consent tools, and other connected systems.
  • Migrate subscriber data, list structures, opt-in status, and suppression mappings while maintaining compliance requirements.
  • Translate legacy automation logic into Klaviyo flows, build campaign and template assets, and set up reporting dashboards.
  • Run technical QA across integrations, profiles, flows, DNS/authentication, data mapping, and post-warmup performance.
  • Own cutover planning and go-live coordination, including no-send windows, legacy deactivation, launch readiness, and post-launch monitoring.

Requirements

  • 3–6+ years of hands-on experience in lifecycle and CRM marketing technology, ESP migrations, and/or martech implementation.
  • Deep expertise in at least two ESPs such as Klaviyo, Salesforce Marketing Cloud, HubSpot, Iterable, Braze, Mailchimp, or Attentive.
  • Hands-on experience configuring DNS records and email authentication protocols.
  • Experience with sending domain setup, subdomain delegation, and tracking link configuration.
  • Proven ability to manage API integrations, webhook configurations, and custom event setups.
  • Experience with subscriber data migrations, including schema mapping, backfill logic, and suppression management.
  • Strong knowledge of IP warming, including warming schedules, list segmentation strategy, and reputation monitoring.
  • Experience in an agency or client services environment managing multiple concurrent client projects.
  • Experience auditing and extracting data from legacy ESPs such as Mailchimp, SFMC, HubSpot, ActiveCampaign, Drip, Iterable, or Braze.
  • Experience defining identity resolution strategy and handling duplicate profile logic during migrations.
  • Ability to translate legacy flow or journey logic into equivalent Klaviyo automation architecture.
  • Experience building and executing structured checklists for integration validation and testing.
  • Ability to own a cutover plan, including legacy platform deactivation and go-live sequencing.
  • Proficiency in spoken and written English at an advanced level.
  • Independent contractor status required.
  • Proficiency with DNS management tools such as Cloudflare, Route53, GoDaddy DNS, or Google Domains.
  • Familiarity with REST APIs, JSON payloads, and webhook event structures.
  • Working knowledge of eCommerce platforms such as Shopify, BigCommerce, Magento, or WooCommerce and their native ESP integrations.
  • Familiarity with consent management platforms such as OneTrust or Cookiebot in an email context.
  • Experience using deliverability tools such as MXToolbox, GlockApps, 250ok, Validity/Everest, or similar.
  • Comfort with spreadsheet-based scoping, project tracking, and client documentation.
  • Klaviyo JS snippet installation and onsite tracking validation experience.
  • Experience with Google Postmaster Tools and Microsoft SNDS for sender reputation monitoring.
  • Experience with Klaviyo's External ID and identity resolution architecture.
  • API key management and scoping across integrated systems.

Benefits

  • Independent contractor position.
  • Opportunity to work on high-complexity migration projects for leading and emerging brands.
  • Exposure to a tech-enabled, people-first culture that values diversity and inclusion.
  • Work at a firm that manages billions in media and uses proprietary data intelligence technology.

Interested in this position?

Apply directly on the company website

Apply Now

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